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人気のある微分積分 >

integral from 1 to 3 of (3x+2)

解

\int_{1}^{3} (3 x + 2) d x

解

16

解答ステップ

\int_{1}^{3} 3 x + 2 d x

総和規則を適用する:

\int f (x) \pm g (x) d x = \int f (x) d x \pm \int g (x) d x

= \int_{1}^{3} 3 x d x + \int_{1}^{3} 2 d x

\int_{1}^{3} 3 x d x = 12

\int_{1}^{3} 2 d x = 4

= 12 + 4

簡素化

= 16

グラフ

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